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  1. 010 学術雑誌論文
  2. 沓掛, 展之 / KUTSUKAKE, Nobuyuki

Conspecific influences on vigilance behavior in wild chimpanzees

https://ir.soken.ac.jp/records/3850
https://ir.soken.ac.jp/records/3850
090985ae-2c26-4c7e-9cf1-c0a4b27b41fd
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-08-07
タイトル
タイトル Conspecific influences on vigilance behavior in wild chimpanzees
タイトル
タイトル Conspecific influences on vigilance behavior in wild chimpanzees
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 KUTSUKAKE, Nobuyuki

× KUTSUKAKE, Nobuyuki

KUTSUKAKE, Nobuyuki

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著者別名 沓掛, 展之

× 沓掛, 展之

沓掛, 展之

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抄録
内容記述タイプ Abstract
内容記述 Diurnal primates rely on visual monitoring behavior to collect various kinds of ecological and social information. Vigilance behavior is monitoring specifically to detect external threats. Previous studies of vigilance behavior were focused mainly on the influence of predation threats, whereas the influences of conspecific factors, such as intragroup threats, have been relatively unstudied. Individual vigilance is predicted to be inversely related to the group size or the number of individuals nearby if the main target of the vigilance is a predation threat and positively related if the main target of the vigilance is a conspecific threat. I studied wild chimpanzees (Pan troglodytes schweinfurthii) in Mahale Mountains National Park, Tanzania, and measured the vigilance duration when they are resting on the ground via 2-min focal observation. In both males and females, vigilance duration increased as the number of individuals nearby increased. This result agrees with the idea that the chimpanzees are vigilant toward other group members. In addition, maternal vigilance monitors and protects the safety of dependent offspring as the duration of maternal vigilance was longer when a dependent infant was separated from its mother than when the offspring was in contact with its mother. The results indicate that the vigilance behavior in wild chimpanzees was affected by conspecific factors.
書誌情報 International Journal of Primatology
en : International Journal of Primatology

巻 28, 号 4, p. 907-918, 発行日 2007-08
出版者
出版者 SpringerLink
ISSN
収録物識別子タイプ ISSN
収録物識別子 01640291
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s10764-007-9156-2
関連名称 10.1007/s10764-007-9156-2
権利
権利情報 SpringerLink(The original publication is available at www.springerlink.com)
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